APA (7th ed.) Citation

Welch, J., Foster-Johnson, E., & Anderson, M. (2005). Beginning Shell Scripting (1st edition.). Wrox.

Chicago Style (17th ed.) Citation

Welch, John, Eric Foster-Johnson, and Micah Anderson. Beginning Shell Scripting. 1st edition. Wrox, 2005.

MLA (9th ed.) Citation

Welch, John, et al. Beginning Shell Scripting. 1st edition. Wrox, 2005.